Strategic noise maps are diagnostics of the noise exposure of populations in a territory. They make it possible to assess the exposure to noise of populations in the vicinity of major transport infrastructure and in large agglomerations. Departmental and national roads 4 index level: 50 to 75 decibels-55 to 75 decibels-65 to 75 decibels-70 to 75 decibels
__Origin__
nuisance
__Partner organisations__
DDT Essonne
__Links annexes__
* [XML metadata view](http://ogc.geo-ide.developpement-durable.gouv.fr/csw/all-dataset?REQUEST=GetRecordById&SERVICE=CSW&VERSION=2.0.2&RESULTTYPE=results&elementSetName=full&TYPENAMES=gmd:MD_Metadata&OUTPUTSCHEMA=http://www.isotc211.org/2005/gmd&ID=fr-120066022-jdd-9bd51699-0509-4c4a-a0ac-0d9344902525)
[See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/e3fe50201de0aaad9b942568de2034fab24aacfc)
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